Rotating device

Abstract

The application provides a rotating device, including: an annular base, a first positioning member, a second positioning member, and a driving member. The driving member includes a pushing structure. The driving member drives the pushing structure to rotate around the outer edge of the peripheral portion in a first rotating direction or a second rotating direction; when the pushing structure rotates in the first rotating direction, the first stop portion and the third stop portion fit the peripheral portion in response to the push of the pushing structure, and the second stop portion and the fourth stop portion stop the pushing structure; and when the pushing structure rotates in the second rotating direction, the second stop portion and the fourth stop portion fit the peripheral portion in response to the push of the pushing structure, and the first stop portion and the third stop portion stop the pushing structure.

What is claimed is: 
     
       1. A rotating device, comprising:
 an annular base; 
 a first positioning member pivoted to a peripheral portion of the annular base, the first positioning member comprising a first stop portion and a second stop portion connected to the first stop portion, the first stop portion being bent in a first rotating direction, and the second stop portion being bent in a second rotating direction; 
 a second positioning member pivoted to the peripheral portion of the annular base, the second positioning member comprising a third stop portion and a fourth stop portion connected to the third stop portion, the third stop portion being bent in the first rotating direction, and the fourth stop portion being bent in the second rotating direction; and 
 a driving member rotatably assembled to the annular base, wherein the driving member comprises a pushing structure, the pushing structure protrudes from the peripheral portion, and the driving member is driven by a force to drive the pushing structure to rotate around the outer edge of the peripheral portion in the first rotating direction or the second rotating direction; when the pushing structure rotates in the first rotating direction, the first stop portion and the third stop portion fit the peripheral portion in response to the push of the pushing structure, and the second stop portion and the fourth stop portion stop the pushing structure; and when the pushing structure rotates in the second rotating direction, the second stop portion and the fourth stop portion fit the peripheral portion in response to the push of the pushing structure, and the first stop portion and the third stop portion stop the pushing structure; wherein a rotation axis of the first positioning member, the second positioning member and the driving member are parallel to each other. 
 
     
     
       2. The rotating device according to  claim 1 , wherein when the first stop portion fits the peripheral portion of the annular base, the second stop portion moves away from and protrudes from the peripheral portion; when the second stop portion fits the peripheral portion of the annular base, the first stop portion moves away from and protrudes from the peripheral portion;
 when the third stop portion fits the peripheral portion of the annular base, the fourth stop portion moves away from and protrudes from the peripheral portion; and when the fourth stop portion fits the peripheral portion of the annular base, the third stop portion moves away from and protrudes from the peripheral portion. 
 
     
     
       3. The rotating device according to  claim 2 , wherein when the pushing structure rotates in the first rotating direction and the second stop portion fits the peripheral portion, the pushing structure passes through the second stop portion and pushes the first stop portion, and after the first stop portion fits the peripheral portion of the annular base, in response to the third stop portion or the fourth stop portion to fit the peripheral portion, the pushing structure is stopped at the fourth stop portion or pushes the third stop portion, so that the third stop portion fits the peripheral portion of the annular base; and when the pushing structure rotates in the second rotating direction and the third stop portion fits the peripheral portion, the pushing structure passes through the third stop portion and pushes the fourth stop portion, and after the fourth stop portion fits the peripheral portion of the annular base, in response to the second stop portion or the first stop portion to fit the peripheral portion, the pushing structure is stopped at the first stop portion or pushes the second stop portion, so that the second stop portion fits the peripheral portion of the annular base. 
     
     
       4. The rotating device according to  claim 1 , wherein the minimum linear distance from the center of the annular base to the inner surface of the pushing structure is shorter than the linear distance from the center of the annular base to the end of the first stop portion of the first positioning member when the second stop portion of the first positioning member fits the peripheral portion of the annular base, and shorter than the linear distance from the center of the annular base to the end of the fourth stop portion of the second positioning member when the third stop portion of the second positioning member fits the peripheral portion of the annular base. 
     
     
       5. The rotating device according to  claim 1 , wherein the first stop portion, the second stop portion, the third stop portion and the fourth stop portion are arc-shaped, and have radians corresponding to the peripheral portion of the annular base. 
     
     
       6. The rotating device according to  claim 1 , wherein the included angle between the first stop portion and the second stop portion and the included angle between the third stop portion and the fourth stop portion are more than or equal to 90 degrees. 
     
     
       7. The rotating device according to  claim 1 , wherein the driving member further comprises a pivot shaft and an extending portion, the pivot shaft is rotatably pivoted to the annular base, one end of the extending portion is connected to the pivot shaft, and the other end is connected to the pushing structure. 
     
     
       8. The rotating device according to  claim 1 , wherein the driving member further comprises a disc, a pivot shaft and an extending portion, the pivot shaft is arranged in the center of the disc, the pivot shaft penetrates through the annular base such that the disc is rotatably arranged on the annular base, one end of the extending portion is connected to the disc, and the other end is connected to the pushing structure. 
     
     
       9. The rotating device according to  claim 8 , wherein the diameter of the disc is smaller than that of the annular base. 
     
     
       10. A rotating device, comprising:
 an annular base; 
 a first positioning member pivoted to a peripheral portion of the annular base, the first positioning member comprising a first stop portion and a second stop portion connected to the first stop portion, the first stop portion being bent in a first rotating direction, and the second stop portion being bent in a second rotating direction; 
 a second positioning member pivoted to the peripheral portion of the annular base, the second positioning member comprising a third stop portion and a fourth stop portion connected to the third stop portion, the third stop portion being bent in the first rotating direction, and the fourth stop portion being bent in the second rotating direction; and 
 a driving member rotatably assembled to the annular base, wherein the driving member comprises a pushing structure, the pushing structure protrudes from the peripheral portion, and the driving member is driven by a force to drive the pushing structure to rotate around the outer edge of the peripheral portion in the first rotating direction or the second rotating direction; when the pushing structure rotates in the first rotating direction, the first stop portion and the third stop portion fit the peripheral portion in response to the push of the pushing structure, and the second stop portion and the fourth stop portion stop the pushing structure; and when the pushing structure rotates in the second rotating direction, the second stop portion and the fourth stop portion fit the peripheral portion in response to the push of the pushing structure, and the first stop portion and the third stop portion stop the pushing structure, wherein the peripheral portion of the annular base is recessed with two receiving grooves, a pivot is arranged in each receiving groove in a protruding manner, and the first positioning member and the second positioning member are respectively received in the receiving grooves and pivoted to the pivots and rotate about the pivots. 
 
     
     
       11. The rotating device according to  claim 10 , wherein when fitting the peripheral portion of the annular base, the first stop portion, the second stop portion, the third stop portion or the fourth stop portion is completely received in the corresponding receiving grooves, and does not protrude from the peripheral portion. 
     
     
       12. A rotating device, comprising:
 an annular base; 
 a first positioning member pivoted to a peripheral portion of the annular base, the first positioning member comprising a first stop portion and a second stop portion connected to the first stop portion, the first stop portion being bent in a first rotating direction, and the second stop portion being bent in a second rotating direction; 
 a second positioning member pivoted to the peripheral portion of the annular base, the second positioning member comprising a third stop portion and a fourth stop portion connected to the third stop portion, the third stop portion being bent in the first rotating direction, and the fourth stop portion being bent in the second rotating direction; and 
 a driving member rotatably assembled to the annular base, wherein the driving member comprises a pushing structure, the pushing structure protrudes from the peripheral portion, and the driving member is driven by a force to drive the pushing structure to rotate around the outer edge of the peripheral portion in the first rotating direction or the second rotating direction; when the pushing structure rotates in the first rotating direction, the first stop portion and the third stop portion fit the peripheral portion in response to the push of the pushing structure, and the second stop portion and the fourth stop portion stop the pushing structure; and when the pushing structure rotates in the second rotating direction, the second stop portion and the fourth stop portion fit the peripheral portion in response to the push of the pushing structure, and the first stop portion and the third stop portion stop the pushing structure, wherein the minimum linear distance from the center of the annular base to the inner surface of the pushing structure is shorter than the linear distance from the center of the annular base to the end of the second stop portion of the first positioning member when the first stop portion of the first positioning member fits the peripheral portion of the annular base, and shorter than the linear distance from the center of the annular base to the end of the third stop portion of the second positioning member when the fourth stop portion of the second positioning member fits the peripheral portion of the annular base.